Maven Fail On Warning

mvnwarn.zsh

# Tested on OS X (with a bunch of gnu utils installed)
function mvnwarn {
  
  tmp_file=$(mktemp $TMPDIR/$(uuidgen).txt)
  
  MAVEN_OPTS="-Djansi.force=true" mvn -Dstyle.color=always $@ | tee "${tmp_file}"
  exit_code=${pipestatus[1]}
  if [ $exit_code -ne 0 ]; then
    return 1
  fi
  
  result=$(grep "WARN" "${tmp_file}")
  grep_exit_status=$?

  if [ $grep_exit_status -eq 0 ]; then
    echo "\n\u001b[1mWarnings Found:\u001b[0m"
    echo $result
    false
    return
  fi
}